Your number, one digit away
One digit away
One change could reach Singular.
Your number
4,447
Extreme · Top 0.15%
Position 1: 4 → 7 · +308 points.
Gained: Palindrome, Binary palindrome, Digit sum 22, Semiprime, Double pair.
Lost: Digit sum 19, Prime, Adjacent digit run, Triple digit.
35 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.